Toolkit: This domain provides the set of lowlevel libraries like widgets that are used by the Data Management components. The Data Management provides for this layer the virtual file system and input methods.

RTCOM: Depends on the addressbook functionality provided by the Data Management

Applications: Generally applications depend on the file- and MIME-handling provided by the data management domain.

Connectivity: The virtual file system in data management is depending on the libraries provided by the connectivity. They are used when hiding the connecting to Bluetooth and network folders.

System: Data management uses the system hardware information provided by the system domain.